Afaik, Disqus uses websockets with Nginx fine. I believe they recently mentioned writing and using this module: https://github.com/wandenberg/nginx-push-stream-

Afaik, Disqus uses websockets with Nginx fine. I believe they recently mentioned writing and using this module: https://github.com/wandenberg/nginx-push-stream-module https://github.com/wandenberg/nginx-push-stream-module